Algeria BW30-400IG No pinhole defects Dow membrane DOW Reverse osmosis membrane dow ro membrane

Product Data Sheet
FilmTec™ BW30-400IG Element
BW30-400IG Reverse osmosis membrane Description
Ideal for: reverse osmosis plant managers and operators dealing with
challenging water and seeking consistent, high performance and long
element life.
With decades of proven performance, FilmTec™ BW30-365:
1.Delivers high quality permeate water while minimizing unit cost
2.Offers the most effective cleaning performance, robustness
and durability due to its widest cleaning pH range (1 – 13) tolerance and the support of DOW technical representatives
BW30-400IG Product Type
Spiral-wound element with polyamide thin-film composite membrane
BW30-400IG Typical Properties

Permeate flow and salt (NaCl) rejection based on the following standard test conditions: 2,000 ppm NaCl, 225 psi (15.5 bar), 77°F (25°C), pH 8, 15% recovery.
Flow rates for individual elements may vary but will be no more than 15% below the value shown.
Stabilized salt rejection is generally achieved within 24-48 hours of continuous use; depending upon feedwater characteristics and operating conditions.
Sales specifications may vary as design revisions take place.
Active area guaranteed ± 3%. Active area as stated by DOW Water Solutions is not comparable to nominal membrane area often stated by some manufacturers.
BW30-400IG Element Dimensions

BW30-400IG Dimensions – inches (mm) 1 inch = 25.4 mm

Refer to FilmTec™ Design Guidelines for multiple-element systems of 8-inch elements
Element to fit nominal 8-inch (203-mm) I.D. pressure vessel.

BW30-400IG Operating and Cleaning Limits

Additional Important Information
BW30-400IG Product Stewardship
Maximum temperature for continuous operation above pH 10 is 95°F (35°C).
Refer to Cleaning Guidelines (Form No. 45-D01696-en).
Under certain conditions, the presence of free chlorine and other oxidizing agents will cause premature membrane failure. Since oxidation damage is not covered under warranty, DOW Water Solutions recommends removing residual free chlorine by pretreatment prior to membrane exposure. Please refer to Dechlorinating Feedwater (Form No. 45-D01569-en) for more information.
Before use or storage, review these additional resources for important information:
Usage Guidelines for FilmTec™ 8” Elements (Form No. 45-D01706-en)
Start-Up Sequence (Form No. 45-D01609-en)
DOW has a fundamental concern for all who make, distribute, and use its products, and for the environment in which we live. This concern is the basis for our product stewardship philosophy by which we assess the safety, health, and environmental information on our products and then take appropriate steps to protect employee and public health and our environment. The success of our product stewardship program rests with each and every individual involved with DOW products—from the initial concept and research, to manufacture, use, sale, disposal, and recycle of each product.

BW30-400IG Customer Notice
DOW strongly encourages its customers to review both their manufacturing processes and their applications of DOW products from the standpoint of human health and environmental quality to ensure that DOW products are not used in ways for which they are not intended or tested. DOW personnel are available to answer your questions and to provide reasonable technical support. DOW product literature, including safety data sheets, should be consulted prior to use of DOW products. Current safety data sheets are available from DOW.
BW30-400IG Please be aware of the following:
The use of this product in and of itself does not necessarily guarantee the removal of cysts and pathogens from water. Effective cyst and pathogen reduction is dependent on the complete system design and on the operation and maintenance of the system.
BW30-400IG Regulatory Note
This product may be subject to drinking water application restrictions in some countries; please check the application status before use and sale.